Ultrasonic sound absorber

Details Ultrasonic sound absorber Ultrasonic sound absorber

1982-05-27

1984-03-27

Hunt, Brooks H.

Stock material or miscellaneous articles

Metal continuous phase interengaged with nonmetal continuous...

428556, 419 23, 181207, 181208, 181209, 252 122, 367157, 367155, 367162, F16F 700, F16F 1300

Patent

active

044394977

ABSTRACT:
An ultrasonic sound absorbing material capable of operating at high temperatures and pressures, said material comprises a dense, rigid, permeable material such as sintered metal filled with a viscous fluid.

REFERENCES:
patent: 1753581 (1930-04-01), Seabury
patent: 2133761 (1938-10-01), Tietig
patent: 3172502 (1965-03-01), Wells
patent: 4083595 (1978-04-01), Maier
patent: 4147821 (1979-04-01), Young
patent: 4283465 (1981-08-01), Morimoto et al.
Freeman, Silicones, 1962, pp. 26-27.
Herzfeld and Litovitz, Absorption and Dispersion of Ultrasonic Waves, 1959, pp. 34-48.
Kinsler and Frey, Fundamentals of Acoustics, 1951, pp. 231-243.
Meyer and Neumann, Physical and Applied Acoustics, 1972, pp. 13-17.

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